1 /*

     2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 7013420

    27  * @author Joseph D. Darcy

    28  * @summary Test that resource variables are accepted as explicitly final.

    29  */

    30 

    31 import java.io.IOException;

    32 

    33 public class ExplicitFinal implements AutoCloseable {

    34     public static void main(String... args) {

    35         try(final ExplicitFinal r2 = new ExplicitFinal()) {

    36             r2.toString();

    37         } catch (IOException ioe) {

    38             throw new AssertionError("Shouldn't reach here", ioe);

    39         }

    40 

    41         try(final @SuppressWarnings("unchecked") ExplicitFinal r3 = new ExplicitFinal()) {

    42             r3.toString();

    43         } catch (IOException ioe) {

    44             throw new AssertionError("Shouldn't reach here", ioe);

    45         }

    46 

    47         try(@SuppressWarnings("unchecked") ExplicitFinal r4 = new ExplicitFinal()) {

    48             r4.toString();

    49         } catch (IOException ioe) {

    50             throw new AssertionError("Shouldn't reach here", ioe);

    51         }

    52     }

    53     public void close() throws IOException {

    54         System.out.println("Calling close on " + this);

    55     }

    56 }